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Kazuaki Maeda
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Hyogo, JP
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last 30 patents
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Patent Grant
Digital communication system
Patent number
7,035,395
Issue date
Apr 25, 2006
Toa Corporation
Kazuaki Maeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Digital communication system
Publication number
20030123480
Publication date
Jul 3, 2003
Kazuaki Maeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE